Dan Haybron presents an illuminating examination of well-being, drawing on important recent work in the science of happiness. He shows that we are remarkably prone to error in judgements of our own personal welfare, and suggests that we should rethink traditional assumptions about the good life and the good society. - ;The pursuit of happiness is a defining theme of the modern era. But what if people aren't very good at it? This and related questions are explored in this book, the first comprehensive philosophical treatment of happiness in the contemporary psychological sense. In these pages,